Bolt DIN 933 M4x30 8,8 zinc

Review

DIN 933 8.8 zinc Hexagon head bolt with full thread is a reliable fastener with a hexagonal head and a full thread covering the entire shaft. It is usually made of carbon steel coated with a zinc layer for corrosion protection. The strength class 8.8 indicates a high ability to withstand significant loads, making it ideal for use in various areas where stability and durability are required. This bolt is suitable for structures that require a strong connection and reliable fastening.

Technical specifications

Technical specifications of DIN 933 8.8 hexagon head fully threaded bolt:

• Standard: DIN 933 (equivalent to ISO 4017)
• Material: carbon or alloy steel, stainless steel or brass options available
• Strength class: 8.8, which classifies it as a high-strength bolt
• Diameters: M6, M8, M10, M12, M14, and others
• Lengths: standard lengths vary from approximately 10 mm to 150 mm, depending on the diameter
• Thread pitch: metric thread, with typical pitches of 1; 1.25; 1.5; 1.75 mm for diameters M6–M12 and larger according to the standard
• Coating: zinc (normal or hot-dip galvanized), yellow zinc, uncoated, brass or stainless steel options - depending on conditions of use

Analogues 

Equivalents to DIN 933 8.8 zinc:

• ISO 4017 - this standard is completely identical, offering bolts with hexagonal heads and full metric threads.
• GOST 7798-70 - a standard corresponding to DIN 933 / ISO 4017, providing similar characteristics.
• GOST 7805-70 - another GOST variant with similar technical parameters (wrench size, diameter, thread pitch) with minor differences.
• DIN 558 - also listed as an analogue of DIN 933/ISO 4017; differs in accuracy class (e.g., C) or some aspects of shape, but in many cases is considered interchangeable.

Areas of application

The DIN 933 8.8 zinc bolt is an important element in many industries, particularly in mechanical engineering and equipment manufacturing. It is used to connect various metal components, such as housings, brackets, and other metal and steel parts. In construction, this bolt is used for reliable connection of metal structures, frames, and formwork elements. In the automotive industry, it is used to fasten subframes, engine brackets, and chassis components. The DIN 933 8.8 zinc bolt is also suitable for energy and electrical engineering, ensuring the installation of shields, supports, and the fixation of insulators. Thanks to its full thread, this bolt allows for adjustable or variable fastening, which is especially useful in conditions where length or sealing adjustments are required. 

Questions and аnswers:

Is it profitable to buy?

Choosing a DIN 933 hexagon head bolt with full thread class 8.8 with zinc coating is an excellent option for ensuring reliability and long service life. Our range includes a wide selection of diameters from M2 to M72, allowing you to find the perfect solution for your technical requirements. Strength class 8.8 guarantees high load resistance, and the zinc coating provides additional protection against corrosion. By choosing our bolts, you get products that meet high standards of quality and reliability.

Where it is used

DIN 933 hexagon head bolts with full thread are manufactured in strength class 8.8 and coated with zinc to increase corrosion resistance. This type of bolt is widely used in various fields, such as: construction - for connecting metal structures, frames, and mounting elements; mechanical engineering - in the manufacture of housings, brackets, and connecting parts; industry - for securing equipment, supports, and use with washers and nuts.